Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Kab1 win in 3 half-moves
2 Ra7 win in 3 half-moves
3 Rb7 win in 5 half-moves
4 Kaa1 draw
5 Kaa3 draw
6 Kab3 draw
7 Kba3 draw
8 Kbb3 draw
9 Rc1 draw
10 Rc3 draw
11 Rc5 draw
12 Rc6 draw
13 Rc8 draw
14 Rd7 draw
15 Kba1 loss in 2 half-moves
16 Kbb1 loss in 2 half-moves
17 Kc1 loss in 2 half-moves
18 Kc2 loss in 2 half-moves
19 Rc2 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rf7 loss in 2 half-moves
23 Rg7 loss in 2 half-moves
24 Rh7 loss in 2 half-moves
25 Kc3 loss in 1 half-moves